1164523205 has 64 divisors (see below), whose sum is σ = 1636588800. Its totient is φ = 789626880.

The previous prime is 1164523177. The next prime is 1164523211. The reversal of 1164523205 is 5023254611.

It is not a de Polignac number, because 1164523205 - 2⁶ = 1164523141 is a prime.

It is a super-2 number, since 2×1164523205² = 2712228589966944050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2847041 + ... + 2847449.

It is an arithmetic number, because the mean of its divisors is an integer number (25571700).

Almost surely, 2^1164523205 is an apocalyptic number.

It is an amenable number.

1164523205 is a deficient number, since it is larger than the sum of its proper divisors (472065595).

1164523205 is a wasteful number, since it uses less digits than its factorization.

1164523205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1164523205 is about 34125.1110620903. Note that the first 3 decimals coincide. The cubic root of 1164523205 is about 1052.0814960575.

Adding to 1164523205 its reverse (5023254611), we get a palindrome (6187777816).

The spelling of 1164523205 in words is "one billion, one hundred sixty-four million, five hundred twenty-three thousand, two hundred five".